Unit 8 big bird!,四年级下册,tall,short,Its a tall tree.Its not a short tree.,Its a short tree.Its not a tall tree.,I am old, but Im happy!,He is not young.,He is not old.,I am young!,fatShe is fat.,thinShe is thin.,Its a bird.Its a big bird.,Its a bird.Its a small bird.,Im a peacock.,animals,What can you see in this picture?Where is here?,Its a forest.,I am a turtle,an old turtle!,I am her baby,a young turtle.,help,I can help you!,Help 的用法,You are a good girl!,Am I a bad girl?,Thank you!,
